condition mean min max 4 h after light 22.958064 21.369719 24.546409 8 h after light 18.485277500000002 15.192846 21.777709 12 h after light 19.5388825 18.12424 20.953525 4 h after dark 20.7876355 20.578047 20.997224 8 h after dark 19.334104 18.530643 20.137565 12 h after dark 25.205434 25.205434 25.205434